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  *{
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        .a1{
            height: 51px;
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        .a1 a{
            float: right;
            color: black;
            margin-right: 19px;
            margin-top: 24px;
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        .a2{
            width: 640px;
            height: 155px;
            margin: auto;
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        .a2 img{
            height: 68px;
            margin-left: 215px;
            margin-top: 49px;
        }
        .a3{
            width: 640px;
            height: 36px;
            border: 1px solid #cccccc;
            margin: auto;
        }
        .a3 p{
            float: right;
            background: #3385ff;
            color: white;
            font-size: 27px;
        }
        .a4{
            width: 640px;
            height: 290px;
            position: relative;
            margin: auto;
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        .a4 img{
            position: absolute;
            right: 290px;
            bottom: 20px;
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        .a4 p{
            position: absolute;
            right: 297px;
            bottom: 0px;
            font-size: 12px;
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        .a5{
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            height: 12px;
            margin-top: 26px;
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            margin: auto;
            text-align: center;
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        .a5 ul{
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        .a5 li{
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            margin-right: 24px;
            font-size: 12px;
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        .a5 a{
            color: black;
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        .a6{
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            height: 12px;
            margin: auto;
            text-align: center;
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        .a6 ul{
            margin-left: 52px;
        }
        .a6 li{
            float: center;
            margin-right: 24px;
            font-size: 12px;}
          
            h1{
                text-align: center;
            }
            .dd{
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                border: 1px solid;
                height: 30px;
                margin: auto;
            }
            .dd li{
                width: 100px;
                height: 30px;
                float: right;
                text-align: center;
                border: 1px solid;
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            p{
                text-align: center;
                font-size: 12px;
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